Bearing frame convenient to improve assembly precision

The utility model discloses a bearing frame convenient to improve assembly precision, include base and the frame of locating the base top, the top center of frame is run through and is equipped with screw sleeve, be equipped with adjusting screw in the screw sleeve, adjusting screw's lower extreme runs through the screw sleeve upper end and is connected with the sleeve pipe, be equipped with primary shaft bearing and secondary shaft bearing and primary shaft bearing and the secondary shaft bearing formation bearing bore of mutually supporting in the frame, the top of primary shaft bearing is equipped with clamping screw, clamping screw runs through sleeve pipe qieyu sheathed tube both sides and all is equipped with adjusting nut, the both sides of primary shaft bearing and secondary shaftbearing all are equipped with the caulking groove, install the fixed plate in the caulking groove, the four corners of fixed plate all is equipped with the pretension screw, the below of secondary shaft bearing is equipped wi